【简答题】Who are these people rushing by you on the street? More than 250 million people now call America' home' , but most of them can trace their families back to other parts of the world. If you, look at t...
【单选题】1996年我国颁布了《旅行社管理条例》,对我国的旅行社分类是( )。
【单选题】Which of the following is true according to the passage?
A.
Incredible Adventures is an American company which offers customers all kinds of adventures in the world.
B.
The reason why ordinary people can fly military planes is that Russia is in need of money and it is legal to do so there.
C.
A customer doesn't have any experienced pilot to guide him or her when he or she tries flying a fighter jet.
D.
A customer needn't undergo the security checks or pre-flight physical checks or disciplined training before the flight.
【判断题】整个热影响区内最脆弱的部分是正火区。焊接接头受力破坏时往往从这个区域开始。
【单选题】Both Jim and Kate _________in Beijing now. They both________ from Amer-ica.A. is; c
A.
17. Both Jim and Kate _________in Beijing now. They both________ from Amer-ica. A. is; come